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31 March, 00:22

What is the solution to inequality of[9n-9]+10=7

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  1. 31 March, 01:22
    0
    n = 2/3

    Step-by-step explanation:

    [9n-9]+10=7

    Subtract 10 from each side

    9n - 9+10-10 = 7-10

    9n - 9 = - 3

    Add 9 to each side

    9n - 9+9 = - 3+9

    9n = 6

    Divide by 9

    9n/9 = 6/9

    n = 2/3
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